1. Annex 16 to the Convention on International Civil Aviation. Environmental protection, ICAO, 2017, volume III. Aeroplane CO2 Emissions.
2. Brueckner, J.K., and Abreu, C., Airline Fuel Usage and Carbon Emissions: Determining Factors, Journal of Air Transport Management, 2017, vol. 62, pp. 10–17.
3. Annex 6 to the Convention on International Civil Aviation. Operation of Aircraft, Montreal: ICAO, 2016, part I. International Commercial Air Transport. Aeroplanes.
4. Doc 9976. Flight Planning and Fuel Management Manual (FPFM), Montreal: ICAO, 2015.
5. Kovalenko, G.V., Mikinelov, A.L., and Chepiga, V.E., Letnaya ekspluatatsiya (Flight Operation), St. Petersburg: Nauka, 2016, part 1.